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M41T81SM6E The STMicroelectronics M41T81SM6E is a Real Time Clock/Calendar IC featuring an I2C interface. It operates within a voltage range of 2.7V to 5.5V and includes features like Alarm, Leap Year, and Watchdog Timer.
Mfr Part #:

M41T81SM6E

Available from 2 distributors
Mfr Name: STMicroelectronics
STMicroelectronics
The STMicroelectronics M41T81SM6E is a Real Time Clock/Calendar IC featuring an I2C interface. It operates within a voltage range of 2.7V to 5.5V and includes features like Alarm, Leap Year, and Watchdog Timer.
✓ Total Stock: 31,759 pcs
$ Price Range: $3.00

M41T81SM6E Available from 2 distributors

✓ Authorised
✓ Non-Authorised
Distributor Stock Pricing MOQ PKG Lead Time Date Code On Order Quantity On Order Delivery
Romaks Technologies ✓
Non-Authorised Inventory information
31,719 pcs
On Request
31719 pcs On Request 1 On Request On Request On Request On Request On Request
Speed Components Ltd ✓
Non-Authorised Inventory information
40 pcs
On Request
40 pcs On Request 1 On Request On Request 07+ On Request On Request
DistyParts aggregates offers from multiple distributors. Final prices, lead times and terms are subject to the distributors' discretion and may change without prior notice. DistyParts is not liable for any discrepancies.

M41T81SM6E Specifications Quick View

Most important parameters for selection – full specs in datasheet.
Category
Manufacturer Name
Current
Date Format
Features
Interface
Lead Spacing
Lead Style
Mounting Type
Operating Temperature
Supplier Device Package
Time Format
Type
Voltage
Voltage Supply
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M41T81SM6E Description

Short technical summary and product information.

The STMicroelectronics M41T81SM6E is a Real Time Clock (RTC) and Calendar integrated circuit designed for timekeeping applications. It communicates via an I2C, 2-Wire Serial interface, making it suitable for integration into various embedded systems.

 

This IC operates with a supply voltage ranging from 2.7V to 5.5V and has a dedicated battery voltage input of 2V to 3.5V for backup power. Its timekeeping current consumption is a maximum of 100µA at 2.7V to 5.5V. The operating temperature range is from -40°C to 85°C.

 

Key features include support for Alarm functions, Leap Year calculation, Square Wave Output, and a Watchdog Timer. The device supports standard Time (HH:MM:SS:hh in 24-hour format) and Date (YY-MM-DD-dd) formats. It is housed in an 8-SOIC package and is designed for surface mount applications.

 

The M41T81SM6E is ideal for applications requiring accurate time and date tracking, such as data loggers, industrial control systems, and consumer electronics where maintaining time is critical.

M41T81SM6E Quick Information

Product Type: Real Time Clock/Calendar IC
Canonical Name: STMicroelectronics M41T81SM6E Real Time Clock/Calendar IC
Subcategory: Clock/Calendar

M41T81SM6E Compliance

RoHS Status: RoHS Compliant
Moisture Sensitivity Level (MSL): 1 Unlimited
REACH Status: REACH Unaffected

M41T81SM6E Estimated Pricing

Qty Low High
1+ $3.00 $3.00

Estimated market price range - modelled values for guidance only, not live distributor offers.

M41T81SM6E Features

  • Real Time Clock/Calendar IC with I2C interface.
  • Wide operating voltage from 2.7V to 5.5V.
  • Features Alarm, Leap Year, and Watchdog Timer.
  • Operates from -40°C to 85°C.
  • Surface mount 8-SOIC package.

M41T81SM6E Applications

  • Ideal for timekeeping in embedded systems.
  • Suitable for data logging applications.
  • Used in industrial control systems.
  • Applicable for consumer electronics.

M41T81SM6E FAQs

5 frequently asked questions generated from this part’s specifications.
What is the operating voltage for the M41T81SM6E?

The operating voltage for the M41T81SM6E is between 2.7V and 5.5V.

What is the operating temperature range of the M41T81SM6E?

The M41T81SM6E operates in a temperature range of -40°C to 85°C.

What interface does the M41T81SM6E use?

The M41T81SM6E uses an I2C, 2-Wire Serial interface.

What are the key features of the M41T81SM6E?

Key features include Alarm, Leap Year, Square Wave Output, and Watchdog Timer.

What package type is the M41T81SM6E available in?

The M41T81SM6E is available in an 8-SOIC package for surface mounting.

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